Global Patent Index - EP 0196224 B1

EP 0196224 B1 19890816 - SYNTHESIS OF INOTROPIC IMIDAZOÛ4,5-C¨PYRIDINE

Title (en)

SYNTHESIS OF INOTROPIC IMIDAZOÛ4,5-C¨PYRIDINE

Publication

EP 0196224 B1 19890816 (EN)

Application

EP 86302225 A 19860326

Priority

US 71800085 A 19850329

Abstract (en)

[origin: EP0196224A1] The present invention provides a process for preparing 2-[2-methoxy-4-(methylthio)phenyl]-1(3)H-imidazo[4,5-c]pyridine comprising reacting 3,4-diaminopyridine with 2-methoxy-4-methylthiobenzoic acid in the presence of phosphorus oxychloride and pyridine.

IPC 1-7

A61K 31/44; C07D 471/04

IPC 8 full level

C07D 471/04 (2006.01); A61K 31/44 (2006.01)

CPC (source: EP KR)

C07D 471/04 (2013.01 - EP KR)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0196224 A1 19861001; EP 0196224 B1 19890816; AT E45578 T1 19890915; CA 1295330 C 19920204; DE 3665064 D1 19890921; HU 195219 B 19880428; HU T40655 A 19870128; IL 78241 A0 19860731; JP S61229878 A 19861014; KR 860007258 A 19861010; KR 870000930 B1 19870511

DOCDB simple family (application)

EP 86302225 A 19860326; AT 86302225 T 19860326; CA 504917 A 19860324; DE 3665064 T 19860326; HU 129886 A 19860327; IL 7824186 A 19860324; JP 7238386 A 19860328; KR 860002289 A 19860327